20196990957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{4271}}^1$

素因数の和:4522

約数の個数: 64

約数和(自身を含む): 32290578432

約数和(自身を除く): 12093587475

約数列:

[1, 3, 11, 13, 33, 39, 73, 143, 151, 219, 429, 453, 803, 949, 1661, 1963, 2409, 2847, 4271, 4983, 5889, 10439, 11023, 12813, 21593, 31317, 33069, 46981, 55523, 64779, 121253, 140943, 143299, 166569, 311783, 363759, 429897, 610753, 644921, 935349, 1576289, 1832259, 1934763, 3429613, 4053179, 4728867, 7094131, 8383973, 10288839, 12159537, 21282393, 25151919, 44584969, 47079233, 92223703, 133754907, 141237699, 276671109, 517871563, 612030029, 1553614689, 1836090087, 6732330319, 20196990957]

約数ペア:

[(1, 20196990957), (3, 6732330319), (11, 1836090087), (13, 1553614689), (33, 612030029), (39, 517871563), (73, 276671109), (143, 141237699), (151, 133754907), (219, 92223703), (429, 47079233), (453, 44584969), (803, 25151919), (949, 21282393), (1661, 12159537), (1963, 10288839), (2409, 8383973), (2847, 7094131), (4271, 4728867), (4983, 4053179), (5889, 3429613), (10439, 1934763), (11023, 1832259), (12813, 1576289), (21593, 935349), (31317, 644921), (33069, 610753), (46981, 429897), (55523, 363759), (64779, 311783), (121253, 166569), (140943, 143299)]